Primordial black holes, gravitational wave beats, and the nuclear equation of state

被引：3

作者：

Baumgarte, Thomas W. ^{[1
]}

Shapiro, Stuart L. ^{[2
,3
,4
]}

机构：

[1] Bowdoin Coll, Dept Phys & Astron, Brunswick, ME 04011 USA

[2] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[3] Univ Illinois, Dept Astron, Urbana, IL 61801 USA

[4] Univ Illinois, NCSA, Urbana, IL 61801 USA

来源：

PHYSICAL REVIEW D | 2024年 / 110卷 / 02期

基金：

美国国家科学基金会;

关键词：

TUNGUS EVENT;

D O I：

10.1103/PhysRevD.110.L021303

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Primordial black holes (PBHs), if trapped in neutron stars, emit a characteristic continuous, quasiperiodic gravitational wave (GW) signal as they orbit inside the host star. We identify a specific and qualitatively new feature of these signals, namely quasiperiodic beats caused by the precession of noncircular PBH orbits. We demonstrate numerically and analytically that the beat frequency depends rather sensitively on the neutron star structure, so that hypothetical future observations with next-generation GW detectors could provide valuable constraints on the nuclear equation of state.

引用

页数：7

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